Sentences with phrase «many complex behaviors»

In fact, complex behavior and mechanics develops from complex systems quite often.

Everything a human being does, all complex behaviors, can, in principle, if not yet in practice, be explained purely on the basis of describable physical processes a governed by deterministic physical laws.

Crying, the ultimate communication tool of babies, is in fact a complex behavior requiring coordination of various motor systems and may have developmental implications.

Blombos Cave, South Africa: Dated to about 100,000 years ago, ochre - processing «tool kits» and other artifacts found at the site — including an engraved piece of ochre, the oldest known art of its type — suggest early humans were capable of modern, complex behaviors much earlier than once thought.

It turns out that while they were praying, participants had less blood flow to their prefrontal cortex and frontal lobe, the areas of the brain where complex behaviors such as planning and expression of personality take place.

The new study provides a more plausible explanation: Birds can perform these complex behaviors because birds» forebrains contain a lot more neurons than any one had previously thought — as many as in mid-sized primates.

This makes it easily influenced by magnetic fields and forces, which can lead to complex behavior.

«It's a pretty complex behavior for these little guys.»

Instead it is a molecule that — even on its own — «is capable of complex behavior,» says senior author David Soloveichik, an electrical and computer engineer at the University of Texas at Austin.

In principle, Soloveichik says, the same formula can be used to produce more complex behavior, such as changing the clock's speed in response to chemical signals.

Optogenetics experiments have helped illuminate the biological bases of complex behaviors such as addiction and sleep.

So certainly reductionism has great strengths — it's sort of the super highway of biology but it also has limitations in the sense that you need to combine it with synthesis with an approach that looks at the whole organism, that looks at complex behavior and that looks at complex neurocircuitry.

Shettleworth notes that the unconscious connections of associative learning can, even among people, produce complex behaviors, such as unconsciously eating a bowl of cereal.

Zuk's third book, Sex on Six Legs: Lessons on Life, Love & Language From the Insect World, published in July, is a sweeping compendium of bizarre insects — overprotective earwig parents, sperm - scooping dragonflies, risk - averse wasps — whose complex behavior often bears an uncanny resemblance to our own.

However, it will be necessary to acquire data for several years in order to confirm this observation or show that this part of the fault has a more complex behavior.

When trying to model how behaviors and traits evolved, it helps to keep things simple — but the problem with friendship is that it involves a number of complex behaviors.

But our understanding of the ice sheet's complex behavior before about 125,000 years ago has been fragmentary at best.

«It is remarkable that such a complex behavior could be generated from such a small number of neurons» says Dr. Sousa - Neves.

«Complex behaviors, like the behaviors we call «personality» or «temperament,» can be associated — genetically correlated — with other traits that one might think are independent of such behaviors, like body shape and swimming abilities,» he said.

But according to Michael McKeown, a developmental geneticist at the Salk Institute in La Jolla, California, fru's presence in nine small clusters of fly nerve cells — including several previously mapped by Hall as «courtship centers» — may begin to give researchers «a handle on how the neural circuits that generate complex behaviors are put together.»

To demonstrate the kind of complex behaviors that can be achieved with simple commands, Becker videotaped an experiment over the Labor Day weekend in which a swarm of a dozen randomly scattered r - one robots were directed to form a complex shape — a capital R. To direct the robots, Becker used a basic controller — a simple one - button,»80s - era videogame joystick that was capable of giving only two commands: rotate and roll forward.

Brooks was experimenting with breaking complex behavior down into simple reactions.

«Even just that simple interaction — rotation creating disturbances in the fluid — gives us all this complex behavior,» said Vlahovska, associate professor of engineering at Brown and the paper's senior author.

According to the researchers, suicide and self - harm are highly complex behaviors which require further research to elucidate the mechanisms involved.

Astrocytes provide structural and metabolic support for neuronal networks, but direct evidence demonstrating their active role in complex behaviors is limited.

«The evolution in songbirds of an identifiable circuit for a single complex behavior gives us a tremendous advantage as we try to parse out exactly what these parts of the brain do and how they do it,» says Woolley.

The explanation for how people learn complex behaviors, such as speech, might be found in a new study of songbirds by scientists at the USC Dornsife College of Letters, Arts and Sciences.

Even so, she says, «the paper provides a nice empirical example of how a complex behavior evolves on a genetic level.»

W: When you look at systems that self - organize into complex behaviors and understand what the rules are, the bigger question becomes whether there are situations in which your understanding of the individual cases can help you predict the behavior of the complex system.

However, mapping the relation between brain areas and behavior can be tough, especially for complex behavior such as altruism.

But «the [work] points to a general mechanism for generating complex behaviors» from simple ones, says Edvard Ingjald Moser, a neuroscientist at the Norwegian University of Science and Technology in Trondheim who was not involved with the work.

«These observations unmask the relevance of primitive brain regions previously linked to eating to other complex behaviors,» said lead author Marcelo Dietrich, M.D., assistant professor of comparative medicine and neurobiology and a member of the Yale Program in Integrative Cell Signaling and Neurobiology of Metabolism at Yale School of Medicine.

The fluorescent labeling technique is the first to allow scientists to identify individual synapses that are active during a complex behavior, such as avoiding heat.

Gallio and his team wanted to study the brain activity of a fruit fly while it performed a complex behavior, but this is not easily achieved under a microscope.

The experiment shows the impressive ability of a simple system to exhibit complex behavior in the form of chaos and nearly chaotic phenomena: Despite the gradual changes of air pressure the transitions between the different vibratory phenomena are abrupt.

Building on its strengths in biology, computer science, psychology, statistics and engineering, CMU launched BrainHub, an initiative that focuses on how the structure and activity of the brain give rise to complex behaviors.

Its small brain challenges an assumption that large brains are required for complex behavior, such as negotiating the cramped depths of a cave, in total darkness, apparently to dispose of its dead.

The circuits the researchers built are the largest ever published to date in eurkaryotic cells, which, like human cells, contain a nucleus and other structures that enable complex behaviors.

A functional polymorphism in the promoter region of the human serotonin transporter gene (SLC6A4) has been associated with several dimensions of neuroticism and psychopathology, especially anxiety traits, but the predictive value of this genotype against these complex behaviors has been inconsistent.

According to Halassa, the new research sets the stage for ever more detailed studies on the complex behavior involved in how the mammalian brain pays attention to what's important, and especially how those neural circuits are broken in cases of attention - deficit diseases, such as ADHD, autism, and schizophrenia.

Still, Whiten and his colleagues have shown that chimps can imitate complex behaviors step by step (though they never teach one another deliberately).

«But the new study shows that at least one complex behavior is induced not by stimulating, but by inhibiting, this very circuit.

In contrast, living systems contain energy - consuming building blocks, which give rise to complex behavior.

It has to do with their brains, specifically the number of neurons in their cerebral cortex: the «little gray cells» associated with thinking, planning and complex behavior — all considered hallmarks of intelligence.

Studies of meditation carried out with other techniques, such as magnetic resonance imaging and electroencephalography, have revealed different patterns of neural activity — not surprisingly, since meditation is a complex behavior that evokes many different psychological states.

According to Dr. Kwon, «The Cal - Light technique offers an opportunity to dissect the neural circuits underlying complex behaviors, sensation, and cognition and introduces a new way of approaching complex questions in neuroscience.»

Yet this seemingly primitive organism is capable of some surprisingly complex behaviors.

Studies of courtship and mating in the fruit flyoffer a window on the ways genes influence the execution of complex behaviors

These included the frontal cortices (which handle movement, problem solving, memory, language, judgement and impulse control), the prefrontal cortices (complex behaviors, planning, personality), parietal cortices (integrating sensory input), temporal lobe (hearing and selective listening) and the brainstem (controlling cardiovascular and respiratory functions).

More recently, I have demonstrated the feasibility of using fMRI in combination with pharmaco - genetic silencing to dissect the circuital basis of complex behaviors, and demonstrated for the first time that the mouse brain contains distributed resting - state functional connectivity networks, including plausible homologues of the human default - mode (DMN) and salience networks.